CN203173915U - Underground integrated sewage pretreatment reaction tank - Google Patents

Abstract

The utility model discloses an underground integrated sewage pretreatment reaction tank comprising a water inlet canal, a coarse grate canal, a sewage lift pump room, a fine grate canal, an aerated grit chamber, a membrane grate canal and a water outlet canal, wherein the water inlet canal is communicated with the coarse grate canal, the coarse grate canal is communicated with the sewage lift pump room, the sewage lifting pump room is communicated with the fine grate canal through a lift pump, the fine grate canal is communicated with the aerated grit chamber, the aerated grit chamber is communicated with the membrane grate canal, and the membrane grate canal is communicated with the water outlet canal. The underground integrated sewage pretreatment reaction tank disclosed by the utility model is compact in integral structure, small in occupation area and easy to manage and operate, the main parts can be completely buried underground and are mutually communicated by canal extension, so that the flow path is short, the head loss is small, the energy consumption is low and the effect on the ground traffic and building construction is small.

Description

Underground integrated sewage pretreatment reaction tank

technical field

The utility model relates to the technical field of sewage treatment pools, in particular to an underground integrated sewage pretreatment reaction pool.

Background technique

In recent years, due to the improvement of environmental protection standards on the effluent indicators of sewage plants, and the need for regeneration and reuse of some sewage after treatment, it is difficult to meet the current effluent requirements by relying on the simple biological treatment process in the past. In particular, the amount of screen slag and sand content in the influent of sewage plants is very high. If it enters the biological reaction system, it will be detrimental to the system. Therefore, treatment should be strengthened to reduce operating costs and energy consumption.

At present, many water treatment research institutions at home and abroad have conducted a lot of research work on the pretreatment reaction tank process, and developed some new and applicable sewage pretreatment structures. However, with the complexity of the sewage treatment process, there are more and more equipment for sewage treatment, and the occupied area is getting larger and larger. In many cities, land has become a bottleneck for the development of various facilities, and many equipment and technologies cannot be implemented due to the large area occupied. And these processes are not ideal for slag and sand removal.

Therefore, those skilled in the art are committed to developing an underground integrated sewage pretreatment reaction tank that occupies a compact area, has low energy consumption, improves the quality of effluent water, and is suitable for the pretreatment of sewage with high slag content and high sand content in sewage plants. .

Utility model content

In view of the above-mentioned shortcomings of the prior art, the utility model proposes an underground integrated sewage pretreatment reaction tank which occupies a compact area, has low energy consumption, and can improve the quality of effluent water.

In order to achieve the above purpose, the utility model provides an underground integrated sewage pretreatment reaction tank, including water inlet channel, coarse grid channel, sewage lifting pump room, fine grid channel, aeration grit chamber, membrane grid Canal and outlet.

The water inlet channel is connected to the coarse grid channel, the coarse grid channel is connected to the sewage lifting pump room, and the sewage lifting pump room is connected to the fine grid channel through a lifting pump. The grid channel is electrically connected to the aeration grit chamber, the aerated grit chamber is electrically connected to the membrane grid channel, and the membrane grid channel is electrically connected to the outlet channel.

A coarse grid device is provided in the coarse grid channel, a fine grid device is provided in the fine grid channel, a membrane grid device is provided in the membrane grid channel, and a grit chamber is provided in the aeration grit chamber There are sand suction device and aeration device.

As a further improvement of the present invention, there are 1 to 6 coarse grid channels, and each of the coarse grid channels is electrically connected to the water inlet channel.

As a further improvement of the present invention, there are 1 to 6 fine grid channels, and the sewage lifting pump room is provided with a lifting pump corresponding to each of the fine grid channels, and the lifting pump is connected with each of the The fine grid channels are respectively conductively connected.

As a further improvement of the utility model, there are 1 to 10 membrane grid channels, and each membrane grid channel is electrically connected to the aeration grit chamber.

As a further improvement of the utility model, channel gates are provided on the water inlet channel and/or the coarse grid channel and/or the fine grid channel and/or the membrane grid channel.

As a further improvement of the utility model, the coarse grid device includes a toothed solid-liquid separator and a screw compression conveying integrated machine.

As a further improvement of the utility model, the fine grid device includes a drum fine grid and a screw conveyor.

As a further improvement of the utility model, the membrane grill device includes a drum-type membrane grill decontamination machine, a membrane grill residue compressor, a high-pressure flushing water pump, a high-pressure flushing mobile motor and a grease pump.

As a further improvement of the utility model, the sand suction device includes a sand suction crane, a sand pump and a sand water separator.

As a further improvement of the utility model, the aeration device includes a blower, an air pipe and a perforated aeration pipe.

The underground integrated sewage pretreatment reaction tank of the utility model has a compact overall structure, a small footprint, and is easy to manage and operate, and all main parts can be buried below the ground, and are connected to each other through channel extensions. The process is relatively short and the water head The loss is small, the energy consumption is low, and the impact on ground traffic and building construction is greatly reduced. For sewage with high grid slag and sand content, the reaction pool of the utility model can be used to remove slag and sand intensively, which is easy to manage and operate. The grid slag is removed through the coarse grid device, fine grid device and membrane grid device respectively. Sand removal etc. are removed through the aeration grit chamber, effectively reducing the impact of sewage on subsequent structures and equipment. It is especially suitable for the MBR process. After the sewage is pretreated by the reaction pool of the utility model, it enters the biological reaction system, which can well meet the water quality requirements of the biological reaction pool and the membrane pool.

The conception, specific structure and technical effects of the present utility model will be further described below in conjunction with the accompanying drawings, so as to fully understand the purpose, characteristics and effects of the present utility model.

Description of drawings

Fig. 1 is a schematic plan view of the upper floor of a specific embodiment of the present invention.

Fig. 2 is a schematic diagram of a middle plane of a specific embodiment of the present invention.

Fig. 3 is a schematic plan view of the lower floor of a specific embodiment of the present invention.

Fig. 4 is a schematic cross-sectional structural diagram of a specific embodiment of the present invention along the line A-A in Fig. 2 .

Fig. 5 is a schematic cross-sectional structure diagram of a specific embodiment of the present invention along the B-B position in Fig. 2 .

FIG. 6 is a schematic cross-sectional structural diagram of a specific embodiment of the present invention along the line C-C in FIG. 2 .

FIG. 7 is a schematic cross-sectional structural diagram of a specific embodiment of the present invention along the line D-D in FIG. 2 .

Detailed ways

Fig. 1 is a schematic diagram of an upper floor plan of a specific embodiment of the utility model, Fig. 2 is a schematic diagram of a middle floor plan of a specific embodiment of the utility model, and Fig. 3 is a schematic diagram of a lower floor plan of a specific embodiment of the utility model. As shown in Figure 1, Figure 2 and Figure 3, this embodiment proposes an underground integrated sewage pretreatment reaction tank, including a water inlet channel 1, a coarse grid channel 2, a sewage lifting pump room 3, a fine grid channel 4, Aerated grit chamber 5, membrane grid channel 6 and outlet channel 7. Among them, the inlet channel 1 is connected to the coarse grid channel 2, the coarse grid channel 2 is connected to the sewage lifting pump room 3, the sewage lifting pump room 3 is connected to the fine grid channel 4 through the lifting pump 8, and the fine grid channel 4 is connected to the sewage lifting pump room 3. The aeration grit chamber 5 is connected to the aeration grit chamber 5, and the aeration grit chamber 5 is connected to the membrane grid channel 6, and the membrane grid channel 6 is connected to the outlet channel 7.

Fig. 4 is a schematic cross-sectional structural diagram of a specific embodiment of the present invention along the line A-A in Fig. 2 . 4, it can be seen that a coarse grid device 9 is arranged in the coarse grid channel 2, a fine grid device 10 is provided in the fine grid channel 4, and a membrane grid device 11 is arranged in the membrane grid channel 6. The aeration grit chamber 5 is provided with a sand suction device 12 and an aeration device 13 .

Exemplarily, as shown in the figure, the underground integrated sewage pretreatment reaction tank of this embodiment adopts 1 water inlet channel 1, 2 coarse grid channels 2, 1 sewage lifting pump room 3, and 2 fine grids Canal 4, 1 aerated grit chamber 5, 6 membrane grille canals 6 and 1 outlet canal 7, 2 coarse grille canals 2 are respectively connected to the water inlet canal 1, and the sewage lifting pump room 3 corresponds to each The fine grid channel 4 is provided with a lift pump 8, through which the lift pump 8 is connected to each fine grid channel 10, and the six membrane grid channels 11 are respectively connected to the aeration grit chamber 5. Of course, each coarse grid channel 2, fine grid channel 4 and membrane grid channel 6 are correspondingly provided with a coarse grid device 9, a fine grid device 10 and a membrane grid device 11, and in other specific implementations In the example, the number of coarse grid canal 2, fine grid canal 4, aerated grit chamber 5 and membrane grid canal 6 can also be 1, 3, 4, 5, 6 or 10, etc. Other numbers can be adjusted according to the needs of construction design.

As a further specific implementation of this embodiment, as shown in FIG. 4 , channel gates are provided on the water inlet channel 1 , the coarse grid channel 2 , the fine grid channel 4 and the membrane grid channel 6 . Specifically, as shown in the figure, the inlet channel 1 and the coarse grid channel 2 in this embodiment are separated by a partition wall, and a through hole is set on the partition wall for direct conduction connection. An electric cast iron gate 14 is set on the through hole on one side of the 1 side; while the other end of the coarse grid channel 2 away from the water inlet channel 1 is directly connected with the sewage lifting pump room 3, and the sewage lifting pump room 3 is far away from the coarse grid On the other side, the sewage is introduced one by one into the fine grid channel 4 provided above it through the lift pump 8; a manual channel gate 15 is respectively arranged on the two ends of the fine grid device 10 in the fine grid channel 4; According to specific terrain and construction design needs, the fine grid canal 4 extends to the aeration grit chamber 5 for conduction connection, and the aeration grit chamber 5 is provided with a manual channel gate 15 on the conduction hole with the fine grid canal 4 , and on the opposite side of the conduction through hole of the fine grid channel 4, the aeration grit chamber 5 is connected to each membrane grid channel 6 through a water distribution channel 17, and can also be directly separated by a partition wall. A through hole is set on the wall to directly connect the aeration grit chamber 5 and the membrane grid channel 6; the membrane grid channel 6 is also provided with a manual channel stacking door 16 at both ends of the membrane grid device 11, and the same According to the specific terrain and construction design requirements, the membrane grid channel 6 extends to the outlet channel 7 for direct conduction connection.

Specifically, as shown in Figures 1-7, the coarse grid device 9 used in the underground integrated sewage pretreatment reaction tank of this embodiment includes a toothed solid-liquid separator and a screw compression conveyor integrated machine; The grid device 10 includes a drum fine grid and a screw conveyor; the membrane grid device 11 adopted includes a drum type membrane grid decontamination machine, a membrane grid filter residue compressor, a high-pressure flushing water pump, a high-pressure flushing mobile motor and Grease pump; the sand suction device 12 adopted includes a sand suction truck, a sand pump and a sand water separator; the aeration device 13 used includes a blower, an air pipe and a perforated aeration pipe.

Of course, in other specific embodiments, the coarse grid device 9, the fine grid device 10, the membrane grid device 11, the sand suction device 12, the aeration device 13 and the gates of each channel can also adopt other commonly used Purchased parts, those of ordinary skill in the art can choose to assemble according to needs, and will not repeat them here.

Exemplarily, the specific application of the underground integrated sewage pretreatment reaction tank in this embodiment is as follows:

The underground integrated sewage pretreatment reaction tank of this embodiment can be buried in the sewage plant to pretreat the sewage entering the sewage plant. In this embodiment, the water inlet channel 1, the coarse grid channel 2, the sewage lifting pump room 3, The fine grid channel 4, the aerated grit chamber 5, the membrane grid channel 6 and the outlet channel 7 are all buried below the ground and built together as a whole. The sewage is introduced into the inlet channel 1 for distribution, and then the sewage passes through the coarse water in the reaction tank in turn. The grid device 9, the fine grid device 10, the aeration device 13, the sand suction device 12 and the membrane grid device 11 perform centralized slag and sand removal, and finally the water is discharged into the biological reaction system through the outlet channel 7, and the screen slag and sand removal are transported to landfill outside the plant. It can be seen that this embodiment improves the quality of effluent water, meets the requirements for water source water quality of biological reaction tanks and membrane tanks, and realizes that the overall structure of the reaction tank is compact, occupies a small area, can be flexibly set up, is easy to manage and operate, and has good site adaptability Well, the process is shorter, the head loss is smaller, the energy consumption is lower, and the utility model purpose of having less impact on ground traffic and building construction.

The preferred specific embodiments of the present utility model have been described in detail above. It should be understood that those skilled in the art can make many modifications and changes according to the concept of the present utility model without creative efforts. Therefore, all technical solutions that can be obtained by those skilled in the art based on the concept of the utility model through logical analysis, reasoning or limited experiments on the basis of the prior art should be within the scope of protection defined by the claims .

Claims (10)

1. a underground type integrated sewage water pretreatment reaction pond is characterized in that: comprise inlet channel, coarse rack canal, sewage pump room, fine fack canal, aerated grit chamber, film grid canal and go out water channel;

Described inlet channel conducting connects described coarse rack canal, the conducting of described coarse rack canal connects described sewage pump room, described sewage pump room connects described fine fack canal by lift pump, the conducting of described fine fack canal connects described aerated grit chamber, described aerated grit chamber conducting connects described film grid canal, and described film grid canal conducting connects the described water channel that goes out;

Be provided with the coarse rack device in the described coarse rack canal, be provided with the fine fack device in the described fine fack canal, be provided with the film grid device in the described film grid canal, be provided with in the described aerated grit chamber and inhale sand device and aerating apparatus.

2. underground type integrated sewage water pretreatment reaction as claimed in claim 1 pond, it is characterized in that: described coarse rack canal is 1 to 6, each described coarse rack canal and described inlet channel conducting respectively are connected.

3. underground type integrated sewage water pretreatment reaction as claimed in claim 1 pond, it is characterized in that: described fine fack canal is 1 to 6, corresponding each the described fine fack canal in described sewage pump room is provided with a described lift pump, distinguishes conducting by the described fine fack canal of described lift pump and each and is connected.

4. underground type integrated sewage water pretreatment reaction as claimed in claim 1 pond, it is characterized in that: described film grid canal is 1 to 10, each described film grid canal and described aerated grit chamber conducting respectively are connected.

5. as the described underground type integrated sewage water of the arbitrary claim of claim 1-4 pretreatment reaction pond, it is characterized in that: described inlet channel and/or coarse rack canal and/or fine fack canal and/or film grid canal are provided with channel gate.

6. underground type integrated sewage water pretreatment reaction as claimed in claim 1 pond is characterized in that: described coarse rack device comprises that profile of tooth solid-liquid separating machine and helical compression carry all-in-one.

7. underground type integrated sewage water pretreatment reaction as claimed in claim 1 pond, it is characterized in that: described fine fack device comprises rotary drum fine fack and worm conveyor.

8. underground type integrated sewage water pretreatment reaction as claimed in claim 1 pond, it is characterized in that: described film grid device comprises rotary drum film grid sewage-removing machine, film grid filter residue compressor, high pressure washing water pump, high pressure washing mobile motor and grease pump.

9. underground type integrated sewage water pretreatment reaction as claimed in claim 1 pond, it is characterized in that: described suction sand device comprises inhales sand driving, sand pump and grit water separator.

10. underground type integrated sewage water pretreatment reaction as claimed in claim 1 pond, it is characterized in that: described aerating apparatus comprises gas blower, blast main and boring aeration pipe.

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